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    • 11. 发明授权
    • Polybutadiene and process for preparing the same
    • 聚丁二烯及其制备方法
    • US4710554A
    • 1987-12-01
    • US829846
    • 1986-02-14
    • Akio ImaiYasushi OkamotoMasatoshi Saito
    • Akio ImaiYasushi OkamotoMasatoshi Saito
    • C08F4/00C08C19/30C08F4/42C08F4/48C08F8/00C08F8/18C08F8/20C08F36/00C08F136/06
    • C08F136/06
    • A polybutadiene having an average 1,2-bond content of 18 to 32% by mole, a branched polymer chain content of 60% by weight or more and a Mooney viscosity at 100.degree. C. of 40 to 90, the viscosity of a 5% by weight concentration solution of this polybutadiene in styrene at 25.degree. C. being 60 to 90 cps, and a process for preparing the polybutadiene comprising starting the polymerization of 1,3-butadiene in an inert hydrocarbon solvent in the presence of a Lewis basic compound and an organolithium compound, the latter compound being in an amount of 0.5 to 3 millimoles per 100 g of 1,3-butadiene, at a temperature selected from the range of 30.degree. to 80.degree. C., carrying out the polymerization by controlling the temperature so that the temperature at the end of polymerization may be 5.degree. to 40.degree. higher than the temperature at the start of polymerization, and adding to the resulting polymer solution a polyfunctional halogen compound in an amount of 0.6 to 1 equivalent per equivalent of the organolithium compound to further react the polymer with the polyfunctional halogen compound.
    • 平均1,2-键含量为18〜32摩尔%,支链聚合物链含量为60重量%以上,100℃下门尼粘度为40〜90的聚丁二烯,粘度为5〜 该聚丁二烯在25℃下在苯乙烯中的重量浓度溶液为60至90cps,以及制备聚丁二烯的方法,包括在路易斯碱的存在下在惰性烃溶剂中开始1,3-丁二烯的聚合 化合物和有机锂化合物,后一化合物的量为0.5-3毫摩尔/ 100g 1,3-丁二烯,温度选自30-80℃,通过控制进行聚合 使聚合结束时的温度比聚合开始时的温度高5〜40℃,向所得聚合物溶液中加入0.6〜1当量的多官能卤素化合物, 的 有机锂化合物进一步使聚合物与多官能卤素化合物反应。
    • 12. 发明申请
    • Processes for producing 1-benzyl-4-[(5,6-dimethoxy-1indanon)-2-yl]methylpiperidine and hydrochloride thereof
    • 1-苄基-4 - [(5,6-二甲氧基-1茚满酮)-2-基]甲基哌啶及其盐酸盐的制备方法
    • US20070117846A1
    • 2007-05-24
    • US10580908
    • 2005-04-27
    • Akio ImaiHiroshi Nishimura
    • Akio ImaiHiroshi Nishimura
    • C07D211/06A61K31/445
    • C07D211/32B01J25/02
    • Processes for preparing 1-benzyl-4-[(5,6-dimethoxy-lindanon)-2-yl]methylpiperidine (donepezil), which is useful as an intermediate for medicines, and for producing 1-benzyl-4-[(5,6-dimethoxy-1-indanon)-2-yl]methylpiperidine hydrochloride (donepezil hydrochloride), which is useful as a medicine. The process for donepezil hydrochloride production comprises catalytically hydrogenating the compound represented by the structural formula (III) [1-benzyl-4-[(5,6-dimethoxy-lindanon)-2-ylidene]methylpiperidine] with a Raney nickel catalyst under mild conditions and subsequently treating it with hydrochloric acid. Thus, impurities are further diminished. The operations are simple and the process is suitable for industrial production.
    • 用于制备1-苄基-4 - [(5,6-二甲氧基 - 茚满酮)-2-基]甲基哌啶(多奈哌齐)的方法,其可用作药物的中间体,并用于制备1-苄基-4 - [(5 ,6-二甲氧基-1-茚满酮)-2-基]甲基哌啶盐酸盐(盐酸多奈哌齐),其可用作药物。 盐酸多奈哌齐的方法包括用温和的阮内镍催化剂催化氢化由结构式(III)[1-苄基-4 - [(5,6-二甲氧基 - 茚满酮)-2-亚基]甲基哌啶]代表的化合物 然后用盐酸处理。 因此,杂质进一步减少。 操作简单,适用于工业生产。
    • 16. 发明授权
    • Transition metal complex, catalyst for olefin polymerization, and
process for producing olefin polymers
    • 过渡金属络合物,用于烯烃聚合的催化剂,以及用于生产烯烃聚合物的方法
    • US6066704A
    • 2000-05-23
    • US29887
    • 1998-06-26
    • Hiroaki KatayamaAkio ImaiHidenori HanaokaNorio KawamuraAkira Miyashita
    • Hiroaki KatayamaAkio ImaiHidenori HanaokaNorio KawamuraAkira Miyashita
    • C07F9/53C07F17/00C08F4/642C08F4/646C08F4/659C08F4/6592C08F10/00C08F210/16C08F4/44B01J31/00B01J37/00C07F7/00C07F7/28
    • C07F17/00C07F9/532C08F10/00C08F210/16C08F4/65908C08F4/65912C08F4/6592Y10S526/943
    • A transition metal complex represented by the formula [1] ##STR1## wherein M is a transition metal atom of the group 4 of the periodic table of elements; Cp is a group having a cyclopentadiene type anionic skeleton; A and G are each a divalent residue containing an atom of the group 15 or 16 of the periodic table of elements and may be the same with or different from each other; X.sup.1, X.sup.2, R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are each independently a hydrogen atom, halogen atom, alkyl group with the number of carbon atoms of 1-20 optionally substituted with at least one halogen atom, aralkyl group with the number of carbon atoms of 7-20 optionally substituted with at least one halogen atom, aryl group with the number of carbon atoms of 6-20 optionally substituted with at least one halogen atom, substituted silyl group with the number of carbon atoms of 1-20 optionally substituted with at least one halogen atom, alkoxy group with the number of carbon atoms of 1-20 optionally substituted with at least one halogen atom, aralkyloxy group with the number of carbon atoms of 7-20 optionally substituted with at least one halogen atom, aryloxy group with the number of carbon atoms of 6-20 optionally substituted with at least one halogen atom or a di-substituted amino group with the number of carbon atoms of 2-20, provided that R.sup.1, R.sup.2, R.sup.3 and R.sup.4 may optionally combine with each other to form a ring; L is a Lewis base and w is an integer of 0-2, an olefin polymerization catalyst and a process for producing olefin polymers which uses the catalyst.
    • PCT No.PCT / JP96 / 02439 Sec。 371日期:1998年6月26日 102(e)日期1998年6月26日PCT 1996年8月30日PCT PCT。 公开号WO97 / 08179 日期:1997年3月6日由式[1]表示的过渡金属络合物,其中M是元素周期表第4族的过渡金属原子; Cp是具有环戊二烯型阴离子骨架的基团; A和G各自是含有元素周期表第15或16族的原子的二价残基,并且可以彼此相同或不同; X1,X2,R1,R2,R3和R4各自独立地为氢原子,卤素原子,任选被至少一个卤素原子取代的碳原子数为1-20的烷基,具有碳原子数的芳烷基 任选被至少一个卤素原子取代的,任选被至少一个卤素原子取代的碳原子数为6-20的芳基,任选被至少一个卤素原子取代的碳原子数为1-20的取代甲硅烷基,任选被 至少一个卤素原子,任选被至少一个卤素原子取代的碳原子数为1-20的烷氧基,任选被至少一个卤素原子取代的碳原子数为7-20的芳烷氧基,芳氧基 碳原子数为6-20个,任选被至少一个卤素原子取代或碳原子数为2-20的二取代氨基,条件是R1,R2,R3和R4可以任选地与每个 其他形式 戒指; L是路易斯碱,w是0-2的整数,烯烃聚合催化剂和使用该催化剂的烯烃聚合物的制造方法。
    • 19. 发明授权
    • Catalyst for olefinic hydrocarbon polymerization and process and
producing olefinic hydrocarbon polymer
    • 用于烯烃聚合的催化剂和制备和生产烯烃聚合物
    • US5191041A
    • 1993-03-02
    • US821037
    • 1992-01-16
    • Hayato SabaKeisaku YamamotoAkio ImaiKiyoyuki SugimoriKizuku Wakatsuki
    • Hayato SabaKeisaku YamamotoAkio ImaiKiyoyuki SugimoriKizuku Wakatsuki
    • C08F10/00
    • C08F10/00
    • An inert hydrocarbon solvent-soluble catalyst for polymerization of olefinic hydrocarbons and a process for producing an olefinic polymer using the same are disclosed, the catalyst being composed of (A) a reaction product obtained by reacting (a) at least one vanadium compound represented by formula:VO(OR).sub.m X.sub.3-mwherein R represents a hydrocarbon group; X represents a halogen atom; and m represents a real number of from 0 to 3, and (b) a dihydroxy hydrocarbon compound constituted of a straight chain hydrocarbon skeleton containing from 2 to 12 carbon atoms and having a hydroxyl group at each of both terminals thereof and at least one hydrocarbon branch bonded to said hydrocarbon skeleton in an inert hydrocarbon solvent at an (a) to (b) molar ratio of from 1:0.5 to 1:1.4 and (B) at least one organoaluminum compound represented by formula:R'.sub.n AlX'.sub.3-nwherein R' represents a hydrocarbon group; X' represents a halogen atom; and n represents a real number more than 0 and less than 3. Olefinic hydrocarbon polymers having narrow distributions of molecular weight and composition can be produced with high efficiency and high polymerization activity without being accompanied by obstruction or contamination of equipment due to precipitation of a catalyst.
    • 公开了一种用于烯烃聚合的惰性烃溶剂可溶性催化剂和使用其的制备烯烃聚合物的方法,该催化剂由(A)通过使(a)至少一种钒化合物 式:VO(OR)mX3-m其中R表示烃基; X表示卤原子; m表示0〜3的实数,(b)由含有2〜12个碳原子的直链烃骨架构成的二羟基烃化合物,其两末端具有羟基,至少一个烃 在(a)至(b)摩尔比为1:0.5至1:1.4的惰性烃溶剂中与所述烃骨架键合的至少一种有机铝化合物,和(B)至少一种由式:R'nAlX'3- n其中R'表示烃基; X'表示卤原子; 并且n表示大于0且小于3的实数。可以以高效率和高聚合活性生产具有窄分子量和组成分布的烯属烃聚合物,而不伴随催化剂沉淀引起的设备阻塞或污染 。
    • 20. 发明授权
    • Modified ethylene-.alpha.-olefin copolymer rubber and a process for
producing the same
    • 改性乙烯-α-烯烃共聚橡胶及其制备方法
    • US5037891A
    • 1991-08-06
    • US353756
    • 1989-05-18
    • Hiroyoshi TakaoAkio ImaiMitsuji Tsuji
    • Hiroyoshi TakaoAkio ImaiMitsuji Tsuji
    • C08F255/04C08F255/02C08F255/06
    • C08F255/02
    • A modified copolymer rubber obtained by kneading at 200.degree.-280.degree. C.(A) at least one copolymer rubber material selected from the group consisting of an ethylene-.alpha.-olefin copolymer rubber having a number-average molecular weight of 10,000-100,000 and an ethylene content of 15-85% by weight and an ethylene-.alpha.-olefin-nonconjugated diene copolymer rubber having a number-average molecular weight of 10,000-100,000, an ethylene content of 15-85% by weight and a nonconjugated diene content of 3.0% by weight or less,(B) a free-radical initiator,(C) at least one vinyl aromatic monomer and(D) an unsaturated dicarboxylic anhydride, wherein the weight ratios of (B):(A), (C):(A), (D):(A) and (C):(D) are 0.005-1.0:100, 0.2-20:100, 0.5-15:100 and 0.1-3:1, respectively.The process is suited for industrially producing a modified copolymer rubber having a high bound unsaturated dicarboxylic anhydride content, a low tendency of increase of the Mooney viscosity [ML.sub.1+4 (121.degree. C.)], and an excellent moldability and storage stability without being obstructed by gel formation during the kneading. The modified copolymer rubber thus obtained can be advantageously used for thermoplastic elastomer, blending polymer adhesive etc.
    • 通过在200〜280℃下捏合得到的改性共聚物橡胶(A)至少一种选自数均分子量为10,000-100,000的乙烯-α-烯烃共聚物橡胶和 乙烯含量为15-85%(重量),乙烯-α-烯烃 - 非共轭二烯共聚物橡胶的数均分子量为10,000-100,000,乙烯含量为15-85%(重量),非共轭二烯含量为 3.0重量%以下,(B)自由基引发剂,(C)至少一种乙烯基芳族单体和(D)不饱和二羧酸酐,其中(B):( A),(C) :(A),(D):(A)和(C):( D)分别为0.005-1.0:100,0.2-20:100,0.5-15:100和0.1-3:1。 该方法适用于工业生产具有高结合不饱和二羧酸酐含量的改性共聚物橡胶,门尼粘度[ML1 + 4(121℃)]增加的趋势低,并且具有优异的成型性和储存稳定性,而不会 在捏合期间被凝胶形成阻碍。 由此获得的改性共聚物橡胶可有利地用于热塑性弹性体,共混聚合物粘合剂等。